Cross Browser Extensions

FOSDEM 2019

@trishulgoel

Hi, I am Trishul

WHAT

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One size fits All

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@trishulgoel

WHY?

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bcoz JAVASCRIPT

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What can an extension do?

@trishulgoel

Help you with grammar!

@trishulgoel

Block Ads / Trackers

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Secure Browsing

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Facebook

Containers

Better newtab experience

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Manage Passwords

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Anything you want!!!

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HOW?

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Structure of an extension

Manifest.json

Content Scripts

Background Scripts

Page action

Browser action

Options page

Web accessible resources

@trishulgoel

@trishulgoel

Content Scripts

javascript that executes once the page load is complete

@trishulgoel

Background Scripts

Javascript that executes in background :P

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Page Action

Browser Action

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Options Page

A HTML page which helps to set extension's preferences

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Webextension APIs

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Notifications API

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BrowserAction API

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Tabs API

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NewTab API

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webRequest API

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mdn.io/WebExtensions/API

Lets get started

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LINK PAINTER

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WORD COUNTER

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SECURITY

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DEBUGGING

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about:debugging

Load temporary addon

Select manifest.json

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chrome://extensions

Load Unpacked

Select extension Folder

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TOOLS

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webextensions.tech

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WEB-EXT

A command line tool designed to speed up extension development process

@trishulgoel

http://bit.ly/publishAddon

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Resources

- http://bit.ly/webextensions

- http://bit.ly/webexttutorials

- http://bit.ly/web-ext

- http://bit.ly/publishAddon

@trishulgoel

@trishulgoel

Cross browser extensions - Fosdem

By Trishul Goel

Cross browser extensions - Fosdem

Cross browser extensions - lets create one | Fosdem

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